2018 Australian Open – Wheelchair quad doubles
| Wheelchair quad doubles | |
|---|---|
| 2018 Australian Open | |
| Champions | .svg.png) Dylan Alcott .svg.png) Heath Davidson | 
| Runners-up |  Andrew Lapthorne  David Wagner | 
| Score | 6–0, 6–7(5–7), [10–6] | 
Dylan Alcott and Heath Davidson defeated the defending champions Andrew Lapthorne and David Wagner in the final, 6–0, 6–7(5–7), [10–6] to win the quad doubles wheelchair tennis title at the 2018 Australian Open.
Seeds
 Andrew Lapthorne / Andrew Lapthorne / David Wagner (final) David Wagner (final)
.svg.png) Dylan Alcott / Dylan Alcott /.svg.png) Heath Davidson (champions) Heath Davidson (champions)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
| Final | ||||||
| 1 |  Andrew Lapthorne  David Wagner | 0 | 77 | [6] | ||
| 2 | .svg.png) Dylan Alcott .svg.png) Heath Davidson | 6 | 65 | [10] | ||